Cisco Switch 48 Port Giga, Managed, 4X SFP 10G,
PoE (740W) \ CBS350-48FP-4X

The Cisco CBS350-48FP-4X is a high-performance, fully managed Gigabit Ethernet switch built to power advanced business networks. Designed as part of the Cisco Business 350 Series, this model features 48 Gigabit PoE+ ports, four 10G SFP+ uplinks, and an impressive 740W PoE power budget—providing a scalable, secure, and energy-efficient solution for converged data, voice, and video environments.
Ideal for growing businesses and enterprise branch networks, the CBS350-48FP-4X combines enterprise-grade performance, Layer 3 capabilities, and intelligent power management to support high-density device deployments and future network expansion.
Key Features:
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Ports: 48 x 10/100/1000 Gigabit Ethernet PoE+ ports
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Uplinks: 4 x 10G SFP+ fiber ports for high-speed uplinks
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PoE Budget: Up to 740W, IEEE 802.3af/at compliant
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Switching Capacity: 176 Gbps
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Forwarding Rate: 130.95 Mpps
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Layer 3 Support: Static routing, RIP, VLAN routing
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Management Interfaces: Web GUI, CLI, SNMP, Cisco Business Dashboard
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Security: 802.1X, ACLs, DHCP snooping, DoS prevention
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Energy Efficiency: IEEE 802.3az Energy Efficient Ethernet (EEE)
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Rack-mountable: Compact 1U design for data center or cabinet integration
Powerful Network Foundation for Converged Environments
With 48 full Gigabit ports, the CBS350-48FP-4X provides robust wired connectivity for:
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Desktop clients and printers
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Wireless access points
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IP surveillance cameras
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IP phones and intercom systems
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Building management devices
Its 740W PoE budget supports dense deployments without external power supplies—perfect for modern smart office environments and IoT applications.
Enterprise-Grade 10G Fiber Uplinks
The inclusion of four 10G SFP+ uplink ports enables fast and reliable connections to core switches, servers, or data centers. These uplinks ensure:
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High-speed backhaul performance
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Reduced network bottlenecks
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Future scalability for bandwidth-intensive applications like cloud services, VoIP, and video conferencing
Layer 3 Functionality for Advanced Traffic Control
Unlike standard Layer 2 switches, the CBS350-48FP-4X includes:
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Static routing for segmenting LAN traffic
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Inter-VLAN routing for enhanced performance and segmentation
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RIP (Routing Information Protocol) for simplified dynamic routing
These capabilities help reduce latency, optimize traffic flows, and create more resilient and structured networks
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Secure, Simplified Management
Whether you’re a small IT team or an MSP managing multiple clients, this switch offers flexible and secure control:
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Cisco Business Dashboard and web GUI for intuitive configuration
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Command-Line Interface (CLI) for advanced users
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SNMP, RMON, and Syslog support for remote monitoring
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Auto Smart ports, QoS, and Voice VLAN to streamline deployments
Security features include:
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802.1X authentication
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MAC-based port security
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DHCP snooping
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IP source guard and dynamic ARP inspection
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Access Control Lists (ACLs)
Ideal Use Cases
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High-density office environments
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Smart buildings and digital campuses
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Surveillance and security networks
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VoIP and wireless infrastructures
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MSP-managed multi-tenant networks
Conclusion
The Cisco CBS350-48FP-4X is a robust, high-capacity managed switch purpose-built for modern businesses that demand performance, security, and flexibility. With its 48 PoE+ ports, 740W power budget, 10G SFP+ uplinks, and Layer 3 intelligence, it enables scalable, reliable network infrastructure that can grow with your business.
Whether you’re upgrading an existing deployment or designing a new one from the ground up, the CBS350-48FP-4X is a smart investment that delivers Cisco-grade quality, performance, and peace of mind.
Capacity in Millions of Packets per Second (mpps) (64-byte packets) | 130.94 |
Switching Capacity in Gigabits per Second (Gbps) | 176.0 |
Total System Ports |
48 Gigabit Ethernet + 4 x 10G |
RJ-45 Ports | 48 x Gigabit Ethernet |
Combo Ports (RJ45 + Small form-factor pluggable [SFP]) | 4 x SFP+ |
Packet Buffer | 3 MB |
Unit dimensions (W x D x H) | 445 x 350 x 44 mm (17.5 x 13.78 x 1.73 in) |
Layer 3 | |
IPv4 routing |
Wire speed routing of IPv4 packets
Up to 990 static routes and up to 128 IP interfaces |
IPv6 routing | Wire speed routing of IPv6 packets |
Layer 3 Interface | Configuration of Layer 3 interface on physical port, Link Aggregation (LAG), VLAN interface, or loopback interface |
Classless Interdomain Routing (CIDR) | Support for classless interdomain routing |
RIP v2 | Support for Routing Information Protocol version 2 for dynamic routing |
Policy-Based Routing (PBR) | Flexible routing control to direct packets to different next hop based on IPv4 or IPv6 Access Control List (ACL) |
DHCP Server | Switch functions as an IPv4 DHCP server serving IP addresses for multiple DHCP pools/scopes
Support for DHCP options |
DHCP relay at Layer 3 | Relay of DHCP traffic across IP domains |
User Datagram Protocol (UDP) relay | Relay of broadcast information across Layer 3 domains for application discovery or relaying of Bootstrap Protocol (BOOTP)/DHCP packets |
Quality of Service | |
Priority levels | 8 hardware queues |
Scheduling | Strict priority and Weighted Round-Robin (WRR) |
Rate limiting | Ingress policer; egress shaping and rate control; per VLAN, per port, and flow based; 2R3C policing |
Congestion avoidance | A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization |
iSCSI traffic optimization | A mechanism for giving priority to iSCSI traffic over other types of traffic |
Green (power efficiency) | |
Energy Detect |
Automatically turns power off on RJ-45 port when detecting link down. Active mode is resumed without loss of any packets when the switch detects the link up |
Cable length detection | Adjusts the signal strength based on the cable length. Reduces the power consumption for shorter cables. |
EEE Compliant (802.3az) | Supports IEEE 802.3az on all copper Gigabit Ethernet ports |
Disable port LEDs | LEDs can be manually turned off to save on energy |
Time-based port operation | Link up or down based on user-defined schedule (when the port is administratively up) |
Time-based PoE | PoE power can be on or off based on user-defined schedule to save energy |
General | |
Jumbo frames | Frame sizes up to 9K bytes. The default MTU is 2K bytes |
MAC table | 16K addresses |
Hardware | |
USB slot | USB Type-A slot on the front panel of the switch for easy file and image management |
Buttons | Reset button |
Cabling type | Unshielded Twisted Pair (UTP) Category 5e or better for 1000BASE-T |
LEDs | System, Link/Act, PoE, Speed |
Flash | 256 MB |
CPU | 800 MHz ARM |
DRAM | 512 MB |
Environmental | |
Storage temperature | -13° to 158°F (-25° to 70°C) |
Operating humidity | 10% to 90%, relative, noncondensing |
Storage humidity | 10% to 90%, relative, noncondensing |
Warranty | Limited lifetime with next business day advance replacement (where available) |
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